20148491.000000000

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 1912458240

約数和(自身を除く): 1310651892

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 31, 33, 36, 39, 44, 52, 54, 62, 66, 78, 81, 93, 99, 108, 117, 124, 132, 143, 156, 162, 186, 198, 234, 279, 286, 297, 324, 341, 351, 372, 396, 403, 419, 429, 468, 558, 572, 594, 682, 702, 806, 837, 838, 858, 891, 1023, 1053, 1116, 1188, 1209, 1257, 1287, 1364, 1404, 1612, 1674, 1676, 1716, 1782, 2046, 2106, 2418, 2511, 2514, 2574, 3069, 3348, 3564, 3627, 3771, 3861, 4092, 4212, 4433, 4609, 4836, 5022, 5028, 5148, 5447, 6138, 7254, 7542, 7722, 8866, 9207, 9218, 10044, 10881, 10894, 11313, 11583, 12276, 12989, 13299, 13827, 14508, 15084, 15444, 16341, 17732, 18414, 18436, 21762, 21788, 22626, 23166, 25978, 26598, 27621, 27654, 32643, 32682, 33939, 36828, 38967, 39897, 41481, 43524, 45252, 46332, 49023, 51956, 53196, 55242, 55308, 59917, 65286, 65364, 67878, 77934, 79794, 82962, 98046, 110484, 116901, 119691, 119834, 124443, 130572, 135756, 142879, 147069, 155868, 159588, 165924, 168857, 179751, 196092, 233802, 239382, 239668, 248886, 285758, 294138, 337714, 350703, 359073, 359502, 373329, 428637, 441207, 467604, 478764, 497772, 506571, 539253, 571516, 588276, 675428, 701406, 718146, 719004, 746658, 857274, 882414, 1013142, 1052109, 1078506, 1285911, 1402812, 1436292, 1493316, 1519713, 1617759, 1714548, 1764828, 1857427, 2026284, 2104218, 2157012, 2571822, 3039426, 3235518, 3714854, 3857733, 4208436, 4559139, 4853277, 5143644, 5572281, 6078852, 6471036, 7429708, 7715466, 9118278, 9706554, 11144562, 11573199, 13677417, 15430932, 16716843, 18236556, 19413108, 22289124, 23146398, 27354834, 33433686, 46292796, 50150529, 54709668, 66867372, 100301058, 150451587, 200602116, 300903174, 601806348]

約数ペア:

[(1, 601806348), (2, 300903174), (3, 200602116), (4, 150451587), (6, 100301058), (9, 66867372), (11, 54709668), (12, 50150529), (13, 46292796), (18, 33433686), (22, 27354834), (26, 23146398), (27, 22289124), (31, 19413108), (33, 18236556), (36, 16716843), (39, 15430932), (44, 13677417), (52, 11573199), (54, 11144562), (62, 9706554), (66, 9118278), (78, 7715466), (81, 7429708), (93, 6471036), (99, 6078852), (108, 5572281), (117, 5143644), (124, 4853277), (132, 4559139), (143, 4208436), (156, 3857733), (162, 3714854), (186, 3235518), (198, 3039426), (234, 2571822), (279, 2157012), (286, 2104218), (297, 2026284), (324, 1857427), (341, 1764828), (351, 1714548), (372, 1617759), (396, 1519713), (403, 1493316), (419, 1436292), (429, 1402812), (468, 1285911), (558, 1078506), (572, 1052109), (594, 1013142), (682, 882414), (702, 857274), (806, 746658), (837, 719004), (838, 718146), (858, 701406), (891, 675428), (1023, 588276), (1053, 571516), (1116, 539253), (1188, 506571), (1209, 497772), (1257, 478764), (1287, 467604), (1364, 441207), (1404, 428637), (1612, 373329), (1674, 359502), (1676, 359073), (1716, 350703), (1782, 337714), (2046, 294138), (2106, 285758), (2418, 248886), (2511, 239668), (2514, 239382), (2574, 233802), (3069, 196092), (3348, 179751), (3564, 168857), (3627, 165924), (3771, 159588), (3861, 155868), (4092, 147069), (4212, 142879), (4433, 135756), (4609, 130572), (4836, 124443), (5022, 119834), (5028, 119691), (5148, 116901), (5447, 110484), (6138, 98046), (7254, 82962), (7542, 79794), (7722, 77934), (8866, 67878), (9207, 65364), (9218, 65286), (10044, 59917), (10881, 55308), (10894, 55242), (11313, 53196), (11583, 51956), (12276, 49023), (12989, 46332), (13299, 45252), (13827, 43524), (14508, 41481), (15084, 39897), (15444, 38967), (16341, 36828), (17732, 33939), (18414, 32682), (18436, 32643), (21762, 27654), (21788, 27621), (22626, 26598), (23166, 25978)]